From: Rik van Riel <riel@redhat.com>
To: Shaohua Li <shli@kernel.org>
Cc: Konstantin Khlebnikov <khlebnikov@openvz.org>,
akpm@linux-foundation.org,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"fengguang.wu@intel.com" <fengguang.wu@intel.com>,
"minchan@kernel.org" <minchan@kernel.org>
Subject: Re: [patch v3]swap: add a simple random read swapin detection
Date: Thu, 30 Aug 2012 12:03:22 -0400 [thread overview]
Message-ID: <503F8ECA.5090306@redhat.com> (raw)
In-Reply-To: <20120830103612.GA12292@kernel.org>
On 08/30/2012 06:36 AM, Shaohua Li wrote:
> Interesting is the randwrite harddisk test is improved too. This might be
> because swapin readahead need allocate extra memory, which further tights
> memory pressure, so more swapout/swapin.
>
> This patch depends on readahead-fault-retry-breaks-mmap-file-read-random-detection.patch
>
> V2->V3:
> move swapra_miss to 'struct anon_vma' as suggested by Konstantin.
>
> V1->V2:
> 1. Move the swap readahead accounting to separate functions as suggested by Riel.
> 2. Enable the logic only with CONFIG_SWAP enabled as suggested by Minchan.
>
> Signed-off-by: Shaohua Li <shli@fusionio.com>
Acked-by: Rik van Riel <riel@redhat.com>
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next prev parent reply other threads:[~2012-08-30 16:01 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-27 4:00 [patch v2]swap: add a simple random read swapin detection Shaohua Li
2012-08-27 12:57 ` Rik van Riel
2012-08-27 14:52 ` Konstantin Khlebnikov
2012-08-30 10:36 ` [patch v3]swap: " Shaohua Li
2012-08-30 16:03 ` Rik van Riel [this message]
2012-08-30 17:42 ` Minchan Kim
2012-09-03 7:21 ` [patch v4]swap: " Shaohua Li
2012-09-03 8:32 ` Minchan Kim
2012-09-03 11:46 ` Shaohua Li
2012-09-03 19:02 ` Konstantin Khlebnikov
2012-09-03 19:05 ` Rik van Riel
2012-09-04 7:34 ` Konstantin Khlebnikov
2012-09-04 14:15 ` Rik van Riel
2012-09-06 11:08 ` [PATCH RFC] mm/swap: automatic tuning for swapin readahead Konstantin Khlebnikov
2012-10-01 23:00 ` Hugh Dickins
2012-10-02 8:58 ` Konstantin Khlebnikov
2012-10-03 21:07 ` Hugh Dickins
2012-10-04 16:23 ` Konstantin Khlebnikov
2012-10-08 22:09 ` Hugh Dickins
2012-10-08 22:16 ` Andrew Morton
2012-10-09 7:53 ` Konstantin Khlebnikov
2012-10-16 0:50 ` Shaohua Li
2012-10-22 7:36 ` Shaohua Li
2012-10-23 5:16 ` Hugh Dickins
2012-10-23 5:51 ` Shaohua Li
2012-10-23 13:41 ` Rik van Riel
2012-10-24 1:13 ` Shaohua Li
2012-11-06 5:36 ` Shaohua Li
2012-11-14 9:48 ` Hugh Dickins
2012-11-19 2:33 ` Shaohua Li
2012-09-03 22:03 ` [patch v4]swap: add a simple random read swapin detection Minchan Kim
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